>自己注冊上下分 24h在線客服! " />

一区二区三区四区精品视频,AAA网站免费无码,本色无码视频,国产亚洲日韩在线不卡

NEXT
PREV
 
Product

Specifications: Φ45 / 2mm- Φ200 / 2mm
Materials and Technology:
1. 38CrMoALA nitriding treatment
Nitriding depth: 0.5-0.8mm, nitriding hardness: HV≥920
2. 42CrMo Plating: induction hardening + plating / double metal plating PTA +
Chrome hardness: ≥HV800, thickness 0.03-0.05mm, roughness Ra0.2um
3. SKD61 quenching, vacuum quenching overall hardening treatment
Hardness index: HRC> 55-58, straightness 0.015mm / m, roughness Ra0.4um
4. 9Cr18Mov vacuum hardening, CNC circular grinding
Hardness index: HRC> 50-55, straightness 0.015mm / m, roughness Ra0.4um

All rights:Zhoushan City Weida Machinery Co.,Ltd. Add:No.2 Road Dinghai District Jintang Town,Jinshan Industrial District,Zhoushan City 浙ICP備13024562號 Technical support:93BAIDU
主站蜘蛛池模板: 贡山| 湖南省| 五家渠市| 平安县| 井陉县| 龙州县| 安图县| 潞城市| 上虞市| 灵山县| 双柏县| 奉节县| 庆元县| 伽师县| 邻水| 松原市| 温泉县| 福州市| 甘德县| 海宁市| 长宁县| 安西县| 呼玛县| 阳山县| 图木舒克市| 霍林郭勒市| 新丰县| 阿克陶县| 中西区| 当阳市| 宁国市| 河间市| 井陉县| 崇明县| 平乐县| 彩票| 罗源县| 宁城县| 抚宁县| 凌海市| 涞源县|